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Have you tried unzipping the zip files to see whats inside? Changing the extension will only work if the software is expecting a zip file that has been given the BAK extension (while possible, probbaly unlikely). What file format does the new one store its database as? While a lot of file...

Theres a few articles such as this: https://www.dailymail.co.uk/news/article-11602051/Mother-three-left-sobbing-state-black-mould-home.html about at the moment after the tragic death of a kid a few months back It might not be a popular viewpoint, but I think there is an elephant in the room...

Are you sure there is no earth? Looks like it could be a conduit install with the conduit as earth A pic looking up at where the cables enter the box would help. If there really is no earth, then as well as a plastic switch plate, you should be using nylon plate screws (but lets see if you have...

Looks like that might have been re-wired at some point judging by the t/E entering the bottom with the earths looped out to somewhere else, likely done about mid-70s, whereas the board... probably 40's I'm guessing, I think DP fusing was banned by the 13th edition in '55 and small amounts of...

I'm sure @kerching will be along in a bit to reminisce on jobs where he was fitting them, and speculate that he might still have some in stock ;):ROFLMAO: More seriously, the conductors look to be ashathene insulated untinned 3/029. So likely from the second half of the 1960s though switches...

It seems that someone has decided to( or scipted the site to) add up all the ratings of each element (or rather in some cases, just the ones they have data for, and inore the rest!) and divide that by 240 and decide that a fuse should be available in that exact rating.... as well as stating that...

I can get 60+mpg out of the 2L 'dirty diesel' in a 15 year old mondeo on a run, I know you get a bit less and pay a bit less per L for petrol, But I'm not sure I'd be impressed with 42.1mpg out of a hybrid petrol vehicle TBH, I guess I'd expect that from a more petrol and expect the hybrid to do...

Its an exposed conductive part, so earthing is necessary The whole omitting it if one fixed lug and its a recessed knock out box is semi-official guidence from the NICEIC from years ago, it was never meant to apply to a part which was exposed to touch in normal conditions but rather a concealed...

And the MKI eyeball - finds more faults than everything else put together.... well as long as you know where to apply it... normally anywhere that appears to have had an invasion of DIYers/ kitchen fitters / shop fitters / the guy who drives the forktruck but also 'fixes' stuff around the site

Stick the boxes in with morter, also press some rawl plugs into it after plaicng the box and then you can screw into them at second fix. Might also be able to get a fixing at angle into adjacnt bricks

I'd also be temped to oversize the type of incomming device a bit, if the EVSE contractor says they want a 100A or even 125A supply and are limiting their load to that via load mmanagement, then recognise that the board might be opperating at maximum load for hours on end, everyday. It might...

The only thing I'd be concerned about, is would the solac have problems with volts appearing on the output, probably best not to do unless the manufacturer states that its ok to do that

Another one, DB for a tea room in a truck workshop. Its made worse by the fact thaty its one of the wylex units that only has the top half of the DIN rail and relies on the busbar to hold the MCBs pulled downwards latched onto it, but busbar has gone and its been jumpered across with cable...

I think these were always A type. Even back in the late 90s when no one payed attention to the RCD type. MEM and some square D QOE stuff

We all know it shouldn't really be done, we have all done it when there was no choice or we know there was badge engineering going on, we have all seen pictures where someone has done it in a way thats clealy taking the piss, so post your worst photos here! To start, this is one from a school...

So was mine, I had to laugh when I went to figure out why watever equipment was connected wasn't working a few days later and told the chap I'd just had to change the fuses.... "but I tested them" says he.... (maybe its the way I tell it them!)

But don't make contact with the fuse holder (might vary between makes of spur) as a colleage of mine once found out when he picked fused out of his tray without glasses on....

Just to jump on one line... The level 4 design and verification is: (I am assuming the EAL course is similar to the C/G version) 1) Not something most on the tools electricians will have, granted there will be a few on here who have it, but on a commericial site, there would be very few and in...

I'd tell them 69kva as a starting point but be prepared to compromise downwards if it came to it. 69kva is equal to 100A TP which you would generally find in small industrial and commericial units, anything more and you are into CT metering which is beyond what you need. You wouldn't actually...

I am not sure what the limit for parallel earth paths is on that tester even though its one I am familar with and have had the message a few times, but the result you'd be looking at for it to pass would have to be significantly better than anything you might get through it being bolted to the...